Coinbase's Ethereum validators delivered a 2.87% APY in Q2 2026, above the 2.80% network average, while uptime reached 99.97% versus 99.76% for the network. The company said the figures cover Coinbase-operated validators only and exclude customer stake delegated to partner providers. Coinbase said its validators, which averaged 4.76 million ETH staked or 12.16% of total staked ETH during the quarter, have recorded zero slashing or double-signing events since inception and remain subject to a self-imposed cap of less than 30% of network stake. It also said performance beat network averages by 21 basis points on attestations, 21 basis points on block proposals and 37 basis points on sync committees, supported by operations across four countries, two cloud providers, two consensus clients, three execution clients and seven MEV relays. The report, published on August 17, said reward performance reflects not only protocol issuance but also execution-layer income such as priority fees and maximum extractable value. Looking ahead, Coinbase said Ethereum's Glamsterdam upgrade, expected in the second half of 2026, could reshape block building and validator operations; developers launched the Platåberget public testnet on August 17 as an early testing ground for proposals including enshrined proposer-builder separation, block-level access lists and standardized ETH transfer logs, while higher validator exit and consolidation churn remains under consideration.